Display Progress Bar While Page Loads Using jQuery

Progress Bar is used to track the progress of the current process it can be used anywhere like
file upload process,page load process etc.In this tutorial we will create and display progress bar while page is loading
using jQuery and CSS.You may also like Display Preloading Image On Image Loading Using jQuery

In this step we create divs for progress bar and create a hidden element to store the width of
progress bar which will be updated as the element of webpage loaded successfully.You may also like display loading image while page loads.

In this step we use document.onreadystatechange function to find the document state and if state is 'interactive'
we get all the dom elements and by using for loop to call the set_ele function.In set_ele function it call the check_element function.

In check_element function all the main process occurs it first get all the element of dom and divide 100 by number of elements to increase
the width of progress bar.And then we check if the element is loaded or not if the element is loaded we increase progress bar width and change the value of
hidden element which holds the progress bar width value and after that it check if the width is 100% then it means all the elements is
loaded then it simply fades out and display the page content.You can also view our File Upload Progress Bar

Thats all, this is how to Display Progress Bar While Page Loads Using jQuery and CSS.You can customize this
code further as per your requirement. And please feel free to give comments on this tutorial.